126501916258 has 16 divisors (see below), whose sum is σ = 189917604864. Its totient is φ = 63196076160.

The previous prime is 126501916253. The next prime is 126501916271. The reversal of 126501916258 is 852619105621.

It is not an unprimeable number, because it can be changed into a prime (126501916253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14831191 + ... + 14839717.

It is an arithmetic number, because the mean of its divisors is an integer number (11869850304).

Almost surely, 2^126501916258 is an apocalyptic number.

126501916258 is a deficient number, since it is larger than the sum of its proper divisors (63415688606).

126501916258 is a wasteful number, since it uses less digits than its factorization.

126501916258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 126501916258 in words is "one hundred twenty-six billion, five hundred one million, nine hundred sixteen thousand, two hundred fifty-eight".